Block top - The block number and length on the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this https://sociallweb.com/story5712797/the-2-minute-rule-for-blockchain-explorer-solana-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba